Engines Flashcards
Which of the following conditions does the autostart system not monitor during engine start
Insufficient pressure for starter operation
How many attempts does the autostart system make before aborting a ground start
Two
For engine start the oil temperature must be
Greater than -40°C
Thrust asymmetry protection (TAP) is available when the EECs are in normal or alternate mode and…
Flight controls are in Normal mode only
What causes the automatic display of the secondary engine indications
When the FUEL FLOW ENG L/R EICAS advisory displays
On engine TPR commanded vs actual segment is amber, what does it mean
Difference between TPR and command it TPR and engine not closing
When is the in-flight start envelope indication displayed
When the engine fire switch is in and the fuel control switch is at CUTOFF
What actions will open the spar fuel valve
Moving the START selector to “Start” or the FUEL CONTROL switch to RUN
If the EEC reverts to the Soft Alternate mode does the autothrottle disengage
No, the alternate mode N1 reference/target values are computed by the FMC
For normal engine starts when do the packs restart
At least two minutes after the engine start sequence is started, and the engine is running
Inflight starts - what will the start be aborted for?
Preset EGT is reached or hung start
What do oil quantity and vibration show if outside normal limits?
Inverse video
When is Ice crystal icing idle active?
OAT between ISA and ISA+29°C and alt is between 35000 and 5000’
When is approach idle active?
Flap 25 or 30 or gear down. Finishes 5 secs after touchdown
Is thrust limit protection active in ALTN mode?
Only if the A/T is engaged (if you firewall the throttles then you will overboost
When does TCMA Thrust Control Malfunction Accommodation work?
On the ground
Thrust lever at idle
Engine is above idle speed and not decelerating normally
The engine shuts itself down and displays ENG FAIL (L/R)
What is TAP?
Takeoff or go around
When speed is low and asymmetry is sensed it reduces the live engine to reduce the amount of rudder required and actually improves performance due to less rudder drag
What is TAMS
Shows a red hatched area on the speed tape to show you where not to go due to Vmca. It varies with weight and CG. “Airspeed Airspeed”
SAS failure - what might you need to brief for the approach?
Max thrust limited above 400’ so you might need to use engine out procedures for approach and landing, and leave the engine at idle.
Inflght start - how many starters are used?
Just the one.
